Can-filling mechanism.



R. SGHILLING.

GAN FILLING MEGHANISM.

APPLICATION IILBD 00T. s, 1909.

Patented Mar. 15, 1910.

2 SHEETS-SHEET 1.

. R. SCHILLING. r CAN FILLING MEGHANISM.

APPLICATION FILED 0612.5. 1909.

952,145. P11-,8111611 Mar. 15, 1910.

2 SHEETS-SHEET 2.

i UNITED sirAfrEs ,PATENT OFFICE.

RUDOLPH SCHILLING', OF OAKLAND, CALIFORNIA.

CAN-FILLING MECHANISM.

Specication of Letters Patent.

Patented Mar. 115, 1910.

To all whom it may concern.:

Be it known that I, RUDOLPH SoHrLLiNG, a citizen of the United States,residing at Oakland, in the county of Alameda and State of California,have invented certain new and useful Improvements in Can-Fill` ingMechanism, of which the following is a specication.

The hereinafter described invention is de signed for use moreparticularly in connection with automatic mechanism for weighing anddelivering baking powder and similar dry commodities into packages to befilled; the object of the invention being to.V

' automatic weighing machine for baking powder, the'ratchet wheel foroperating the vibrator platform for the can or package to be il ed beingpartly broken away, said -View disclosing the closing or cover cap forthe can or package in raised position, its lowered position and therelation thereof to the can or ackage when lowered being 'illustrated inotted lines. Fig. 2 is a detail side View of the closing or cover capand its iexible connection with the receiving hopper of the weighingmachine, said view illustrating the spring arm for holding the closingcover or cap 1n raised positionv and restorin the same to such positionafter the filling o the canor package. Fig. 3 is a plan view of thefeatures illustrated in Fig. lof the drawings, the weighing mechanismand the receiving hopper thereof bein removed.

lln the drawin s, the numeral l is used to designate any suitable formof a supporting table, and 2 a vibrating section or platform connectedand held thereto b spring rods 3. From this vi rating section orplatform 2 depends -a rod 1, carrying at its lower end a roll 5,` whichroll rides on the periphery of a ratchet wheel 6, driven by any suitablemeans. As rotation is given to the ratchet wheel 6, the roll 5, ridingon the teeth 7 thereof, imparts, through the medium of the spring rodconnections 3, a

`of :material has been receive means of the- 1n vibratory action to thesection or platform 2, on which rests the can or package 8 to be filled.4

The vibratory section or platform 2 is located beneath the receivinghopper, funnel, chute or runway 9, which receives the material to bedelivered into the can or package 8 from the cups 10-10 of the weighingmachine. On the upper face of the vibratory section or platform 2 thegage `1l is arranged, against which the can or package to be filledabuts, when slipped or placed by the operator thereon, the said gagecentering the can or package with the vertically movable closing orcover cap 12'. This ca is connected to the lower contracted ischarge endof the hopper 9, by means of an elastic tube 13, and from the under faceof the cover ca projects the tubular guide extension 111,w ich, when thecover cap is forced downwardly, ts within the open end of the can orpackage 8 to lbe lilled, the open end of the said-can or package beinthen held closed by the under face of t e cover cap bearing thereon, asdisclosed by dotted lines in Fig. 1 of the drawings. It is required thatthe open end of the can or package be closed during the filling thereofwith baking powder or similar light material, else the same would byreason of its extreme lightness be forced outwardly by the air displacedfrom within the can or package, as the material is .forced therein. Thesaid cover cap 12 is normally held upwardly by means of a suitablespring, in the present case illustrated as a spring rod 15 rearwardlyextended therefrom, which rod is connected at its inner end to asuitable support 16.

The cups 10-10 receive the material to be delivered into the cans orpackages from a suitable source of supply, and, as customary inautomatic weighing and filling machines for baking powder, the said cupautomatically opens when a iven amount therein and discharges the loadthereof into the receivhop er 9. Inasmuch as the means for lil ing t ecups and alternately opennr the same to discharge the weighed load terefrom are well understood and form no portion of the presentinvention, illustrationof said vmeans 1s believed unnecessary.

It is required that the connection between the cover cap 12 and thereceiving hopper 9 of the weighing apparatus be of an e astio packagebeing place beneath nature, for if of a rigid character, the Vifor thematerial.

In carrying out the operation of filling a can or package, the operatorremoves one of the packages from the receiving portion of the table land slips the same onto the vibratory section or platform 2 until itbears against the gage 11, when the cover cap 12 is depressed to closethe open end of the package and held thereagainst until the same 1sfilled. While the can or package is thus held closed, one of the cups10-10 discharges its load into the hopper 9, from lwhence it fallsthrough the elastic tube 13 into the o en end of the held can orpackage, the vibratory motion imparted to the sup orting section orplatform 2 and to the held) can or packa e, causing the material to fallfrom within t e elastic tube 13. Without the vibratory action given tothe supporting section or platform 2, the tendency of the material, dueto the lightness thereof, would be to cling to the inner wall of theelastic tube 13 and thus gradually clog the same. Again, the vibrationof the supporting section or platform 2 causes the ight materialentering the can or package to firmly settle and pack therein, and togradually release the air from within the held can or package. After theload dischar ed from the cup of the weighing machine as entered the canor package to be filled, the operator releases' the cover cap 12, whenthe same is raised or restored to normal position to release the filledcan or package by means of the pressure of the spring l5. The o eratorthen removes the filled can or pac age, and places an empty one on thevibratory section or platform, and repeats the operations previouslydescribel.

I-Ieretofore in connection with the -o eration of filling cans orackages with ba ring powder or similar light dry material from anautomatic weighing machine, the custom has been to insert within the canor package as conveyed toward the filling machine, a receiving tube,throu h which, on the can or the discharge hopper or chute of themachine, the material entered the can or package, which tube, after thecan or package had been filled and removed from the filling machine bythe operator had to be withdrawn from within the filled can or package,the withdrawing of which, owing to the lightness of the material, causedthe displacement and waste of a small quantity of material, which wasteamounts to considerable in connection with thousands of cans. By thedescribed invention for conveying the material to the cans or packagesfor the filling thereof, the time esame and expense heretofore lost inbeing required to insert within the empty cans or packages the fillingor guide tube and for withdrawing the same from the cans or packageswhen lled are saved, and additionally there is saved the loss inmaterial which result s from the withdrawing of the filling or giuidetubes from within the lled cans or pac ages.

Having thus described the invention what is claimed as new and desiredto be protected by Letters Patent is 1. In a-n apparatus for thedescribed purpose, the combination with a receiving hopper, of anelastic tube connected thereto, a cover cap secured to the lower end ofsaid tube, a supporting 'platform for a can or package to be filled, andmeans for vibrating the said platform.

2. In an apparatus for the described purpose, the combination with areceiving ho per, an elastic tube connected to the d1scharge endthereof, a spring held cover cap carried by the lower end of the elastictube, a supporting platform for a can or ackage to be filled, and meansfor vibrating the said platform.

3. In an apparatus for the described purpose, the combination with areceiving hopper, an elastic guide section connected to the dischargeend thereof, a device carried .thereby for closing the end of a can orpackage to be filled, a sprin held platform for the cans or packages, anmeans for imparting vibration to the said latform.

4. In an apparatus for the escribed purpose, the combination with anelastic guide tube for delivering material into the can o1' package tobe filled, of a vibratory platform or the cans or ackages, and means forvibrating the said) platform.

5. In an apparatus for the described purpose the combination with anelastic guide tube for delivering material into the can or package to belfilled, a vibratory platform for the cans or pack-ages, a ratchet wheelfor actuating the same, and' connection between said wheel and thevibratory platform.

6. In an apparatus for the described purpose, the combination with thereceiving hop er, an elastic guide tube connected to the ischarge endthereof for delivering material into the can or package to be filled,means for normally holding the elastic tube in a raised position, aplatform for the cans or packages, and mechanism for imparting vibrationto the said platform.

7 In an apparatus for the described purpose, the combination with thereceiving hop er, an elastic guide tube connected to the discharge endthereof for conveyin 'material into the can or package'to be filled, acover cap secured to the lower end portion of the guide tube for closingthe open end 0f the can -or package to be filled, a spring for normallyholding the elastic guide tube in raised position. to maintain the covercap clear of the open end of a can, and a vibratory supporting platformfor the cans or packages. 4

8. In anapparatus for the described purf pose, the combination With thereceiving hopper,' a Ayielding guide connection' extended froin thedischarge end thereof, a cover cap carried thereby for closin the openend of a can 0r package to be l ed, a supporting platform for thecan orpack- RUDOLPH SCHILLING.

` Witnesses:

l N. A. ACKER,

. D. B. RICHARDS. l'

